Media type: E-Article Title: THE RELATIVE EFFICIENCY OF VARIOUS PORTFOLIOS: SOME FURTHER EVIDENCE Contributor: BLUME, MARSHALL E. Published: Wiley, 1980 Published in: The Journal of Finance, 35 (1980) 2, Seite 269-281 Language: English DOI: 10.1111/j.1540-6261.1980.tb02155.x ISSN: 0022-1082; 1540-6261 Keywords: Economics and Econometrics ; Finance ; Accounting Origination: Footnote: